维生素B1检测

维生素B1检测项目报价？  解决方案？  检测周期？  样品要求？

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BS EN ISO 14565-2001动物饲料.维生素A含量的测定.高性能液相色谱法

This International Standard specifies a method for the determination of the total vitamin A (retinol) content of animal feeding stuffs and pet foods using high-performance liquid chromatography. The vitamin A content is the content of all-trans-retinyl alcohol and cis-isomers determined by the method described in this International Standard, and is expressed in International Units per kilogram (IU/kg).